<TABLE> <S> <C>

<PAGE>

<ARTICLE>  5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED STATEMENT OF INCOME FOR THE YEAR ENDED DECEMBER 31, 1999 AND THE
CONSOLIDATED BALANCE SHEET AS OF DECEMBER 31, 1999 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>  1,000,000

<S>                                             <C>
<PERIOD-TYPE>                                   YEAR
<FISCAL-YEAR-END>                                                                DEC-31-1999
<PERIOD-START>                                                                   JAN-01-1999
<PERIOD-END>                                                                     DEC-31-1999
<CASH>                                                                                   418
<SECURITIES>                                                                               0
<RECEIVABLES>                                                                            557
<ALLOWANCES>                                                                              17
<INVENTORY>                                                                              421
<CURRENT-ASSETS>                                                                       1,482
<PP&E>                                                                                 9,757 <F1>
<DEPRECIATION>                                                                         3,608
<TOTAL-ASSETS>                                                                         8,318
<CURRENT-LIABILITIES>                                                                    923
<BONDS>                                                                                2,526
<PREFERRED-MANDATORY>                                                                      0
<PREFERRED>                                                                                0
<COMMON>                                                                                  56
<OTHER-SE>                                                                             3,039
<TOTAL-LIABILITY-AND-EQUITY>                                                           8,318
<SALES>                                                                                5,268
<TOTAL-REVENUES>                                                                       5,268
<CGS>                                                                                  4,417
<TOTAL-COSTS>                                                                          4,417
<OTHER-EXPENSES>                                                                           0
<LOSS-PROVISION>                                                                           0
<INTEREST-EXPENSE>                                                                       243
<INCOME-PRETAX>                                                                          322
<INCOME-TAX>                                                                              85
<INCOME-CONTINUING>                                                                      237
<DISCONTINUED>                                                                             0
<EXTRAORDINARY>                                                                           (5)
<CHANGES>                                                                                  0
<NET-INCOME>                                                                             232
<EPS-BASIC>                                                                           2.43
<EPS-DILUTED>                                                                           2.41
<FN>
<F1> Includes timber and timberlands.
</FN>


</TABLE>